In the 1960's, Lester Grinspoon was an MD in the psychiatry dept at Harvard. He set out to study the problems cannabis posed to mental health. To his surprise, his patients improved. His seminal book "Marihuana Reconsidered" lead the world towards recognizing the medical benefits of cannabis. He has since published many more books and papers.

Jason Lauve presented "Hemp CBD as a Nutracuetical" at the Inaugural Marijuana for Medical Professionals Conference in September, 2014.

Suzanna Sisley, MD presented "Cannabis and PTSD: Barriers to Research" at the Inaugural Marijuana for Medical Professionals Conference in September, 2014.

Heather Manus, RN presented "PTSD: Psychiatry and Nursing Using Cannabis" at the Inaugural Marijuana for Medical Professionals Conference in September, 2014.

Deborah Malka, MD PhD is currently the faculty director for the TMCIGlobal.org CME accredited course in Clinical Cannabinoid Medicine sponsored by the Society of Cannabis Clinicians.

David Bearman, MD discusses cannabis Addiction and Use Disorders.